Mobile post kits Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 35-1/4"H, includes: (2) premium swivel casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$128.37 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 59-1/4"H, includes: (2) premium swivel casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$144.24 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 67-1/4"H, includes: (2) premium swivel casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$149.40 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 75-1/4"H, includes: (2) premium swivel casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$151.54 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 35-1/4"H, includes: (2) premium rigid casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$128.37 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 67-1/4"H, includes: (2) premium rigid casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$149.40 Camshelving® Premium Series Post Kit, for mobile unit, 21"W x 75-1/4"H, includes: (2) premium rigid casters with total locking brake, (2) posts & (1) set of post connectors (top & bottom), speckled gray, NSF +$151.54